Used 2025 GMC Sierra 1500 for Sale near Thornhill, ON
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CarGurus Analysis:
2025 GMC Sierra 1500
With 199 currently listed for sale near Thornhill, ON and an average price of $64,169.00 CAD, 32.2% of 2025 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2025 GMC Sierra 1500 5 / 5 stars.
100.0% of 2025 Sierra models on CarGurus are accident free.
The 2025 GMC Sierra 1500 features upscale design, great trailering capability, and a variety of powertrains, including a 2.7-litre turbocharged engine and a 3.0-litre inline-six Duramax turbodiesel.
CarGurus Analysis: 2025 GMC Sierra 1500

Summary
With 199 currently listed for sale near Thornhill, ON and an average price of $64,169.00 CAD, 32.2% of 2025 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2025 GMC Sierra 1500 5 / 5 stars.
100.0% of 2025 Sierra models on CarGurus are accident free.
The 2025 GMC Sierra 1500 features upscale design, great trailering capability, and a variety of powertrains, including a 2.7-litre turbocharged engine and a 3.0-litre inline-six Duramax turbodiesel.
Why it stands out
The 2025 GMC Sierra 1500 distinguishes itself in the competitive full-size pickup truck market with its upscale design and robust performance capabilities. As part of its fifth generation, the Sierra 1500 offers a range of powerful engine options, including a 2.7-litre turbocharged four-cylinder and a 3.0-litre inline-six Duramax turbodiesel, catering to diverse buyer needs. The truck's impressive trailering capacity and advanced technology features, such as the MultiPro tailgate and available Super Cruise semi-automated driving system, enhance its appeal. Additionally, the Sierra's luxurious Denali trim provides a premium experience, making it a strong contender for those seeking both functionality and comfort in a pickup truck.
Other model years to consider
- Average price: $45,000.00 CAD
- Good/great deal percentage: 22.2%
- User rating: 5 / 5
- Total listings: 158
- Average price: $53,689.00 CAD
- Good/great deal percentage: 32.7%
- User rating: 4.64 / 5
- Total listings: 211
- Average price: $47,038.00 CAD
- Good/great deal percentage: 32.1%
- User rating: 4.33 / 5
- Total listings: 184
This analysis is based on CarGurus' proprietary market data from July 15, 2026, CarGurus experts' opinions, and generative AI.
5.0 Overall rating
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Dwayne A
Reviewed a 2025 GMC Sierra 1500 on Jun 12, 2025
I think the car is comfortable and roomy. Also has a lot of power.
2025 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| Denali Ultimate Crew Cab 4WD | $84,200 |
| Pro Crew Cab 4WD | $47,300 |
| SLE Crew Cab 4WD | $54,500 |
| AT4X Crew Cab 4WD | $79,400 |
| SLT Crew Cab 4WD | $58,000 |
| Denali Crew Cab 4WD | $68,700 |
| AT4 Crew Cab 4WD | $66,800 |
| Elevation Crew Cab 4WD | $56,400 |
2025 GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2025 GMC Sierra 1500 prices has changed over time.
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